(AP) A mine company says seven miners have been safely removed from deep in a northern Idaho underground mine after rock burst caused injuries to the miners.

Hecla Mining Co. spokeswoman Melanie Hennessey didn't immediately have other details on the Wednesday night incident at the Lucky Friday mine. One of the miners was taken to a hospital in Coeur d'Alene, while the other six were treated at the scene.

The Shoshone County Sheriff's Office received a call about 7:50 p.m. Wednesday that miners were either trapped or buried at the silver mine.

Hecla operates the Lucky Friday, one of the nation's deepest underground mines.

Two miners died at the Lucky Friday earlier this year in separate events.

Fortunately, all 7 miners are expected to fully recover! It appears that the rock burst might have been caused by seismic activity as was the case in the same area about a month ago according to http://seattletimes.nwsource.com/html/l ... apped.html . The Lucky Friday Mine has been reaching increasingly deeper depths over the years in order to access multiple silver deposits far beneath the ground. Hecla Mining Company, owner of the mine, is currently undergoing a $200 million project to bring the mine down to almost 9,000 feet below ground in order to access a new vein. With these extreme depths come extreme pressures of rock all around, and the dangerous reality of rock bursts.

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